For use in Ricoh Aficio MP C2051 Ricoh Aficio MP C2551 Ricoh Aficio MP C2030 Ricoh Aficio MP C2050 Ricoh Aficio MP C2530 Ricoh Aficio MP C2550 Lanier LD620C Lanier LD625C .Compatible with part number: Type MP C2551 841586 841500 841280 841281 841503 841282 841502 841283 841501 Toner kit contains: 4 toner cartridges Estimated page yield: Black 10,000 pages and colors 9,500 pages; based on the industry standard ISO/IEC 19798 for color toner cartridges